<template>
   <section class="main">  
      <input id="toggle-all" class="toggle-all" type="checkbox" v-model='alls'  />
      
      <label for="toggle-all">全部标记为已完成</label>
      <ul class="todo-list">
        <!-- These are here just to show the structure of the list items -->
        <!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
        <li :class="{completed:item.isDone}" v-for="item in list" :key="item.id">
          <div class="view">
            <input class="toggle" type="checkbox" :checked ='item.isDone' @click=" $emit('change',item.id)"/>
            <label>{{item.name}}</label>
            <button class="destroy" @click="desy(item.id)"></button>
          </div>
          <input class="edit" value="Create a TodoMVC template" />
        </li>
        
      </ul>
      
    </section>
</template>

<script>
export default {
   props:['list'],
   methods:{
    desy(id){
     this.$emit('des',id)
    },
    changeAll(){
     this.$emit('changeAll')
    }
   },
   computed:{
    alls:{
      get(){
        return this.list.every(item => item.isDone)
      },
      set(val){
      this.$emit('changeAll',val)
      }
    }
   }
  
  
}
</script>

<style>

</style>